Shahar is done for the season with a stress fracture in her back:http://www.one.co.il/Article/188197.html
(there's a whole paragraph there in which they managed to misspell every single name )
Estimated recuperating time is 4 weeks.
Apparently this bothered her a lot in Tokyo and Beijing and possibly before that as well. It is not, however, said to be the reason for most of her ongoing slump.